protected override void Render(HtmlBlock.Block html) { html.(typeof(MetricsOverviewTable)); ResourceManager rm = GetInstance <ResourceManager>(); ClusterInfo cinfo = new ClusterInfo(rm); Info("Cluster overview").("Cluster ID:", cinfo.GetClusterId()).("ResourceManager state:" , cinfo.GetState()).("ResourceManager HA state:", cinfo.GetHAState()).("ResourceManager HA zookeeper connection state:" , cinfo.GetHAZookeeperConnectionState()).("ResourceManager RMStateStore:", cinfo .GetRMStateStore()).("ResourceManager started on:", Times.Format(cinfo.GetStartedOn ())).("ResourceManager version:", cinfo.GetRMBuildVersion() + " on " + cinfo.GetRMVersionBuiltOn ()).("Hadoop version:", cinfo.GetHadoopBuildVersion() + " on " + cinfo.GetHadoopVersionBuiltOn ()); html.(typeof(InfoBlock)); }